Photographic lettering device



Jan 9 1951 G. A. LoHR 2,537,069

' PHOTOGRAPHIC LETIERING DEVICE Filed Aug. 17, 1945 5 Sheets-Sheet l .so if Jan. 9, 1951 G. A. Lol-1R 2,537,069

PHOTOGRAPHIC LETTERING DEVICE Fued Aug. 1v, 1945 5 sheets-sheets Geog@ 9.120222" 35% malmkmM/VM/ `I an. 9, 1951 G. A. Lol-1R 2,537,069

PHoToGRAPHIc -LETTERING DEVICE Filed Aug. 1v, 1945 `5 Sheets-Sheet 4 I 'II/IILWIIIIIIIIIIIIIII @e 82 S2 81 8o Jan. 9, 1951 G, A, LOHR 2,53%069 PHOTOGRPHIC LETTERING DEVICE Filed Aug. 17, 1945 5 SheetS-Shee 5 Figa@ o s l 3mm/v50@ Pg l 66mg@ 24.150522" Patented Jan. 9, 1951 UNITED STATES PATENT OFFICE 2,537,069 PHOTOGRAPHIC LETTERING DEVICE George A. Lohr, Arlington, Va. Application August 17, 1945, Serial No. 611,108

3 Claims.

This invention relates to photography and has particular reference to a method of and means for quickly reproducing letters or other characters photographically.

In the practice of commercial art, one of the problems of the producer is to reproduce letters or other characters in design as quickly as possible. Due to the fact that this is usually done by hand and also to the fact that great skill and patience is required there is often much time consumed in placing the lettering on the sheet after the picture or other motif has been completed.

The primary object of this invention is the provision of a process and apparatus whereby the photographic lettering in design may be accom.- plished in a very rapid and eiiicient manner.

Another object of the invention is the provision of a process whereby a photographic lettering lay-out and the printing thereof may be made with the same equipment.

Another object of the invention is the provision of an apparatus whereby a photographic lettering lay-out can be made and an accurate printing made therewith to accurately register with the lay-out.

Another object of the invention is the provision of an apparatus whereby a photographic negative may be used to produce, by the same characters, enlarged printings, printings having increased heights or widths or italicized printings any or all in the same design.

Still another object of the invention is the provision of an apparatus wherein a regular or an irregular lay-out of letters or other characters may be made from proieotions of the characters, the lay-out being moved to the desired positions to iit the letters or other characters to the design.

Still another object of the invention is the provision of an improved photographic apparatus` wherein any degree of italicization of letters or other characters may be reproduced by use of the same lenses and the same negative.

Still another object of the invention is the pro-- vision ci an apparatus wherebyv a lay-out'l sheet after having the lay-out completed, may be reproduced as laid out, by registration of a sensitized surface with the lay-out.

Still another object of the invention is the provision of an apparatus wherein is provided an enlarging lens, a negative support which is movable in one or two dimensions in a plane substanti'aliy normal to the lens axis and has a lay-out y*sheet in the field of projections of the ment to distort the characters,

lens, which lay-out sheet is provided with a support having a sensitized surface normally shieldedv from the light during the laying-out operation but in position to be printed to produce a photograph in accord with the lay-out.

Still another object of the invention is the provision of a photographic apparatus having an enlarging lens, a negative having a plurality of characters thereon with means for moving the negative relative to the lens axis and a chart and indicator to indicate the letter, or other character, which is in position to the reproduced.

Another and still further object of the invention is the provision oi a photographic apparaj tus wherein the axis of the enlarging lens may remain in one position and a lay-out frame having a space for 'a sensitized surface may be moved to bring diiierent portions of the lay-out sheet within the projected field of the lens.

Another and still further object of the invention is the provision of an improved method for photographically reproducing letters and other characters wherein light is passed through a negative, with or without astigmatizing equipthrough a lens and the characters projected onto a freely movable l'ay-out support having a sensitized surface which may be covered or exposed to the light to project a reproduction oi the characters in accordance with the lay-out.

Still another object of the invention is the provision of a photographic apparatus wherein letters or other characters are projected on a layout sheet, underneath which is a sensitized surface upon which the characters may be printed by swinging the lay-out sheet out of the eld and exposing the sensitized sheet therebeneath, to print the characters on the latter in accordance with the lay-out sheet.

Other and further objects will be apparent to those skilled in the art from a reading of the complete specification in connection with the drawing.

Referring to the drawing wherein is illustrated an embodiment of the invention,

Fig. l is a front view of that portion of my invention which holds and moves the negativ from which the reproduction is made.

Fig. 2 is a top plan view of the structure of Fig. 1.

Fig. 3 is an elevational side view of the invention as used with an enlarging machine.

Fig. 4 is a sectional View on the line 4 4 of Fig. 1.

Fig. 5 is a detail sectional View showing the astigmatizing lenses and their holder in place, taken on the line 5--5 of Fig. 6.

Fig. 6 is a plan view of the astigmatizing lens holders and their operating mechanisms, showing portions broken away for purposes of illustration.

Fig. 7 is an elevational sectional view of the astigmatizing lens mechanism, taken forward of the astigmatizing lens housing.

Fig. 8 is a detail of the rack guiding block of the astigmatizing mechanism.

Fig. 9 is a plan view of the lay-out and sensitized surface holder with the lay-out plate in closed position.

Fig. 10 is a view similar to Fig. 9 but with the lay-out plate in open position,

Fig. 1l is a cross section on Vthe line H-II ofV Fig. 10. y

Fig. l2 is a cross section on the line |2|2 of Fig. 9.

Fig. 13 is a modified form having a two-part' lay-out plate.

Fig. 14 is a cross section on the line Ill- I4 of Fig. 13.

Fig. 15 is a plan view of a table showing a modied form of the invention.

Fig. 16 is a sectional view on the line IE--IS of Fig. 15.

Fig. 17 is a detail sectional view on the line I1-l1 of Fig. 15.

Fig. 18 is a plan view of another modification.

Fig. 19 is a bottom detail view of the means for fastening the radius strip to the lay-out unit.

Fig. 20 is a detail enlarged sectional view on the line 20--28 of Fig. 18.

Figs. 21 and 22 are respectively elevational and plan views of the pivot pin for the radius strip.

Fig. 23 is a plan view of another form of the invention.

Fig. 24 is a sectional View on the line 24--24 of Fig. 23.

Similar reference characters refer to the same or similar parts throughout the specifications and drawing.

Referring particularly to Figs. 1, 2, 3 and 4, 38 represents the base of an enlarging machine and 3| the upright supporting tube for the support of the source of light, the lens and cooperating parts.

Slidably mounted on the upright 3l is a bracket member 32 which has a knob and screw 33 for securing the bracket member 32 in any desired vertical position. Mounted at the end of the bracket 32 is a block 3A having an adjustable rod 35 mounted for vertical sliding therein. At the top of the rod 35 is a frame 36 which carries a housing 31 which latter carries a source of light such as an electric light which is supplied by current by way of the cord 31a. When in use the frame 36 and the housing 31 is lowered from the position shown in Fig. 3 to the dotted line position.

Secured to the block 34 is a lower frame 38 which has a suitable opening for the passage of light from the housing 31. Secured to the lower side of the frame 38 is a bellows 39, the lower end of which is Vsecured to an adjustable frame member 48 which slides vertically on the rod 4 I.

Secured in the bottom of the frame 48 is a lens 42. All of the above described structure, a part of enlarging apparatus, is not a part, per se, of this invention, and is well known in the art. For these reasons, no further detailed description of these parts lwill be given.

' On top of the lower frame member 38 is a two part housing having an upper member 43 and a lower member 44. VRegistering openings 43%.4411

are provided for the passage of light from the light source 31. Within recesses adjacent the openings 43a, @45a are recesses 33h, flb in which the flanges of the lens cylinders @5, 13 turn freely. In the lens cylinders 135, |36 are located astigmatizing lenses, as for example cylindrical, concave lens 45a may be mounted in the cylinder 65 and a similar but convex lens in the cylinder 35. These lenses are known as plane-cylinders. These lenses should be ground so as to be neutral. The two lens cylinders d5, @.6 contact each other at their adjacent edges and are so freely mounted that when the lower lens cylinder 33 is turned, the upper lens cylinder will also turn.

The cylinders Q5, 45 are provided with respective segmental gears 45h, 43?; of such a length as to provide all of the desired rotation to give the lenses the astigmatic ei'ectin the projection oi the image on the lay-out sheet to be later de scribed. v

Mounted to freely slide in suitable slots 33e, Mc in the housing members 33, $61, are rack-rods 41, 48, the rod 51 having a rack 31a coacting with the teeth 45h and the rod ii8 having a rack 38a coacting with the segmental gear 46h.

As these astigmatic lenses are mounted, the handles 41h, 8b may be on the side of the lenses toward the operative. Since the lenses 45, 15 are in contact with each other and are freely rotatable in their respective recesses 1313, dei), and since the upper rack-rod 31 is freely movable in its slot 43e, it is clear that when the lower rack-rod '38 is pushed in or pulled out to turn the lens cylinder 56, the upper lens cylinder l5 will move with it, unless restrained by theoperative holding the rod 41 against moving. A block i3d is secured to the housing 5S, lll by suitable screws ld and furnishes a'guide means for the rack bars 41, @8 when being operated.

Whenever it is desired to turn one lens relative to the other, the rod 58, or the rod 51, is held in place by lone hand while the other rod is moved to produce the desired movement of its lens.

A suitable filler blc-ck i8 of a thickness equal to the housing 43, G4, is provided for support of the negative carrying means and its coacting parts, to be presently described. The housing 113, 411 and the filler block i9 are secured to the lower frame member 38 in any suitable manner as by screws.

If desired, the astigmatizing lens mechanism andthe ller block 49 may be omitted.

On the upper side of the ller i9 and the housing @3, 44, is the main supporting frame member 58 which is suitably secured in place as by screws. Secured to the outer edges of the frame member 58 are side frame members 5l. Extending from one frame member 5! to the other and embedded therein are guide members as the rods 52.

Mounted to slide on the guide members 52 arev two L-shaped carriage-supporting members 53. These carriage supporting members 53 are secured together by spacing blocks 561 and 55, to which the supporting members 53 are suitably secured, as byscrews. The lower block 55, acts as a spacer between the lower ends of the L-shaped members 53. The upper spacer block 54 has at its front and rear faces, the guide plates 56, 51 which are provided with holes thro-ugh which pass the guide rods 58. These guide rods 58 which are secured together at their front and rear ends with the spacing members 59, 88, move in parallel vertical planes which are perpendicular to the plane of the axes of the guide rods 52. The inner spacingv alcances secured; the-v character sheet:V carrying plate; 61|

The? plate-6d?v actspasia.` supportifor.thezcharacter sheet 62f upon which. the. letters'. or other char-- acters, to be reproduced, are placed;V The. plateY Eilf is; providedY with. membersV as' the: pinsv Sla which. co'act with' registering openings'. in the character sheet 52v to. insure the proper; placing of. the"y letters withA relation tothe light passing through the lenses.

In. preparing the-sheets 62,.the letters: o1' other. characters 52a are., arranged in their prede'- termined relative positions, on large sheet, in. preparation forl photographing. When the. letetersiareinposition, registrationimarks arev placed opposite'them or in suchv places that when. the negativeL is completed, the. letters andVv registra tion-marksl canbe. projected on'the lay-out sheet, to be later described.

AIn the illustrated embodiment, verticall center lines'Zb aie'usedon the letters 62a witha'second`v line at right angles'thereto tangent. to the bot-Y toms of the letters. However. any; other suitable lines or points maybexused whichwilll serve; the. purpose. After the letters 62a with their registration or guidelines 62b,.are'photographed, and the negative isobtained, the registration or guidelines 62h are covered. with a transparent coating which will not transmit. rays of light4 which will' affect a sensitized. surface but. will transmit light which is visible to the human eye.

At. the rearv of; the. supporting frame member 5- aretwoscrews 6,3. Amask member Baha-s slots tra. which. receive the.` screws. $3. when the mask memberxfl is. put. inpplace. The. upper. surfaceV of the; mask. member 63 and, thatv of the carrying. plate 6I are in substantially the same'plane. A pressure plate G5, having an opening, imis pro.- vided with an arm 65h which is pivoted to the support framememberi'as at 65e. At the-pivot 55e, is provided a light spring 65d of sufficient. strength to cause the pressure plate 'surrounding, the opening 65ato press the character sheet-1 6.2onto'the maskboard member E4.

In order to movethe sheet carrying plate 6| and with it the character sheet 62, I- have pro'- vided a single means for this purpose. By this: means, it is possible to bring any one of the characters on the character sheet 62, in registry with the' opening 55a of the pressure plate 65y and the opening 64a of. the. mask plate- 64.

To the. upper block. 54 of the carriage,l at the right side, I pivot a` shaft l0 havingjat; itsv lowerend al turning knob 'Hl and. at its upper end, a lever arm '12.

other end is pivoted to the spacing member as. at 13a. It will be thus clear that by turning the knob ll, the. shaft 'm willV operate its arm 7:2 and the link 'l-3- to move the guide rods 58, forwardlyor rearwardy to move the carrying plate. El and the character sheet to bring diiTerent character groups in position to register with the openings andv 54a already referred to..

Inorder. to indicate tothe'touchof the operator.

The outer end of the leverv armv 5.--1 I2. isrpivoted to one end of a link 'F3 whichv at its iii g ently. spaced notches inserted. The bar ci'ent distance. te. be slightly` beyond thev portionz'Mc alreadyfreierredto; Asfy the end Mar. moves. along thel bar; l5, when; the, knob ll is. turned, it engages theanotches. 'laandindica-tes.

the. position of the frontrtofrear guiderods 58.

Since the shaft iii is journaled on the, sliding carriage, the latter. maybe: moved from side to side;- along'the: guides: 52 bymoving the. knob 'H fromonesidetc, the other.;v In the sideY frame members; 5Fl. and parallel to. thev guides 52 is a click bar 1S having notchesv 76a. Securedto theblockiisfay spring member Tl. having aresilientledgeportion 'Ha which engages the notches lcrasthev carriage slides along the guides 52. Thefnotches'i'a andlta are'so shallowthat their respectivek engagement by the spring portions 'Mav and 'Il'a will not stop the carriage movement but will merelyvmake'a click which; willbe felt. by the operative;- By this means, the operative will know when thepredetermined increment of movement has beenl accomplished. When the spring portions 'Ilia and 'lla stop in their respective notches, they hold the carriage in position.

Itv is-to-'be notedy that the notched bar 16 may be removedcand another such bar having differ- 'i may have two-y sets of differently spaced notches on its-opposite:edges.

At.. the front of the frame members l, is secured a chart holding frame member 18 having chartholdingangle members Iaior holding in placethn chart '5.9. 0n the lower side ci. the block 5.1% issecured an. indicating pointer which moves.

with. the carriage. when the latter slides along the. guides. 52. As, this. movement takes place with. the. chart mounted, thev operative may. see,

exactly which letter or character may be brought into position opposite the openings 55a and i341). It is to be. noted that the spacing. on the chart lig' follows that on the character sheet 52 and at the beginning of use, the registering indications on the chart 79 are adjusted' to register with those of the character sheet 52;

The device is provided with an important feature where the light is projected below the lens il Essentially the projected light is received at a surface which is used Ylor making a lay-out of the design tobe accomplished, the-lay-out being freely movable substantially in a plane normal to the lens axis, and there being a sensitized surl face below thelay-out sheet-upon which the design; of the lay-out sheet is photographically projected.

'IhereV areseveral modifications of the lay-out sheet support, which modifications will now be described;

In'the modification illustrated in Figs. 9, 10, 11 and l2; aboard or base member S has a bottom member elli attached thereto which extends beyond the outer edge vide a space for purpose to bev presentlyv eX- pl'ained". IfV desired', the parts 5e and 8l may be made integral as illustrated in Figs. 20 and 24. Around the. outer edgev of the bottom member 8| is.. an edging 82; which extends upwardly a suffiupper edge ofv the board Slgf thus with the bcardf eil; and the riin of the member Si., forming aslota This slot 83 is painted with black nonreflecting.' paint for. a purpose to be explained.

Hinged at two opposite sides` of the edgingA 82 is. a. rod4 which extends from one end oi the slot' S3.. on. that side', tofthe otherV end of the slot. On the ends. of the rod 83 are knobs Se for the purpose offturning therod' 8.3. Secured to the rod 83' isf layeout; plate 5 whichv is. paintediinside with SS foral suiiicient distance to pro-v sides of' thet a black non-reecting paint' and' which has turned-down edges 85a which extend into the slot 83 and thereby prevent passage of light when the lay-out plate 85is in the position shown in Figs. 9 and 12.

In the construction illustrated in Figs. 13 and 14, the base member 86 is similar to the base mem,- ber 80 and the bottom member 81 and the edging 88 are similar to their respective counterparts 8| and 82, already described. In this construction the lay-out plate is made in two halves in the vform of plates 89, 98. These plates 89, 99 are similar to the plate 35 except that their adjacent edges are modied to coact with each other the adjacent edge of the plate 98 having no turned-down edge and that of the member 89 having an off-set portion 89a to overlap the edge of the plate 90.x

A lay-out sheet upon which the lay-out is to be placed is illustrated in Fig. 9 and designated 9|. Registering with the lay-out sheet 9| and suitably secured to the base 80, or 86, is a sensitized surface-as photographic paper 92.

In use, the whole unit described in either Figs. 9 to 12 or 13, 14, is moved about on the support 3i] with the desired character being projected thereon, with the lay-out plate 85, or 89, 90, in closed position. When the projected character is in its proper place, the character or sufficient of its outline, is sketched, together with pencil indications of the positions of the registration marks 62h. When this is accomplished, the same is done for each Vdesired character in itsr proper position. It is to be here notedv that the characters can thus be properly spaced on the lay-out sheet, by judgement of the eye of the operative without the control of any mechanical means.

On completion of the lay-out, the unit is moved until the first character and its registration marks coincide with the pencil marks on the lay-out sheet. This completed, the knobs 84 are used to quickly lift the lay-out plate 89, or the plates 89, 98, thus exposing the sensitized surface 92 to the light source, projected as a character, a suicient time for printing. After printing, the layout plate is closed and the process repeated for the respective characters. As the slot 83 between the edge 82, or 88 and the base 8| or 86 has nonreflecting walls, it will be clear that the sensitized paper 92 will be protected from the light when the lay-out plate is down. And since the registration indications are protected, as already described, these marks will not print on the sensitized surface.

In Figs. 15, 1G and 17, I illustrate further modifications -of the invention. A table |08 is provided with rails 18| at two sides to provide for a space beneath. A flat bar |82 of sucient length to extend beyond both sides of the table is provided with spring members |03 held in place by rivets |04. The spring members |93 press against the underside of the table |08 and hold the bar I9! on its upper surface and in close contact therewith. This bar may be placed in any one of many positions and used as a guide for any of the lay-out and printing units already described. These units will maintain the angle of the bar |82 and can be made to slide therealong' as the lay-out and printing of successive letters or characters is carried out. By use of this bar, the placing of letters or characters at angle to their base line may be accomplished or a mechanical base line may be maintained.

In the drawing, I have shown the table |90 as covered with grid lines. These grid lines are useful in'reproducing successive rows of characters showing the same characteristics. By use of the grid, the bar may be moved to another and parallel position when a new position is desiredin a well known manner.

This table |00 is provided with small drilled holes |00a. as many as is found to be convenient. These holes are'of a size to nt a small pin |85- see Fig. lt--whichv extends into the bottom of the lay-out and printing lunit and is preferably located in the geometric center of the unit. This enables the operative to place the unit on the table With the pin in a hole la and rotate the unit on the table, enabling the operative to place the letters or other Ycharacters in a circle. If desired, the pin |05 may be removable so that the lay-out and printing unit may be used in a manner described for the units illustrated in Figs. 9 to 14, inclusive.

In Figs. 18, 19, 20 and 21, is a modication which may be used with the table E98 and with any one of the units illustrated in Figs. 9 to 14, 16, 22 and 24. It may be found to be desirable to make a design placing the characters on the arc of a large circle. For this I provide a special means. On the bottom of any of these units as shown in Figs. 18, 19 and 20, a groove is made to receive the bar or strip |96 which is provided with a series of drilled holes 198e. These holes are of a size to receive the pin end |850'. with a snug t as illustrated in Figs. 20 and 21. The bar or strip |88 is held in its groove by the retaining strips lll which are secured in place by suitable screws lilla. The bar |88 is held in any particular adjustment by a screw '|88 which is placed through any one of a plurality of slits lb and tightened after the proper adjustment is made. In the form of the unit illustrated in Fig. 20, I have shown the parts 89 and 8| (of Fig. 11) as integral, as heretofore suggested and I have designated lthis part as |83.

In practice, the pin end |5a of Fig. 21 would be made to register with an opening lta of the bar |06 at any desired distance from the main body of the unit. The lower pin end |851) is then placed in registry with one of the holes |99a of the table |9. A iiange o-see Figs. 21 and 22-rnay be provided to give stability to the pin ends |05a and |051).

In Figs. 23 and 24 is illustrated another modification of the lay-out unit. The body portion 28 is cut away all aroundto provide a space 283 for the edges 28511I of the lay-out plate 285. A rim 282 extends entirely around the outer` periphery of the body portion 289, except that it is cut away to permit the ears 28913 to reach a point near the bottom of the space 283. In using this form of the invention, the lay-out sheet 9i is placed upon the top of the cover 285 and the sensitized surface 92 is secured to the upper surface of the body member 288.

The construction and operation of the several parts of this device have been described. In op-Y erating the whole construction, the lig-ht source being on and the lay-out unit with a lay-out sheet 9i thereon being in place, the light is i0-- cused so as to make a sharp image on the lay-out sheet 9|. By the knob l, the desired letter or other character image is brought into position on the opening b. The lay-out frame is freely moved to bringthe character in proper position. The astigmatizing lenses are now adjusted by means of the handles 81h, 48h to produce the desired results. By adjusting the head or the enlarging apparatus and focusing the same to produce a sharp image, the desired size of image is produced.

When in position, the indicated registration lines are marked on the lay-out sheet. This operation is repeated until the characters are all indicatedon the lay-out sheet. l

Return is now made to the nrst character and registration made by moving the lay-out unit on the Vsupport 36 or on the table 100. When the image registers with the lay-out, the operative, by the knob 89, lifts the cover 8:5 and the light prints the image on the sensitized surface 92. When printed a suiicient time, the cover 85 is lowered. The lay-out unit is now moved so as to bring another character image in registry with its registration marks. The operation is completed and repeated for the other characters until the whole design is completed. Ithasrbeen found to be convenient to use` a negative having transparent letters or characters on a dark background.

While I have illustrated and described a form of my invention in detail, I desire to have it understood that the disclosure is merely illustrative and that modications and changes may be made without departingI from the spirit of the invention and within its scope as claimed.

Having described my invention, what I claim is:

1. In a photographic lettering device having a source of light and an enlarging camera. including a negative-holder., carrying frame, guide means carried by the frame, a carriage means mounted to move along the guide means, a second guide means mounted on the carriage means and extending at. substantially 90 to the rst guide means, a movable multiple-character negative holder on the second guide means, a single ngeroperative member for bodily moving the carriage along the first named guide means, the said fingeronerative means being mounted to rotate in a bearing on the carriage means, rotative operative connections between the finger-operative means and the negative holder to move the holdenalong the second guide means when the linger-operative means is rotated, and coacting means supported by the carriage and frame, respectively, for indicating, by clicking, the proper printing positions of the characters of the negative, whereby, when in use, the operator may, by the use of one hand on the finger-operative means, bring any character or properly spaced line of characters of the negative into proper printing position.

2. In a photographic lettering device having a source of light and an enlarging camera including a negative-holder' carrying frame, guide means carried by the frame, a carriage means mounted to move along the guide means, a second guide means mounted on the carriage means and extending at substantially 90 to the first guide means, a movable multiple-character negative holder on the secpnd guide means, a single ngeroperative member for bodily moving the carriage along the first named guide means, the said iinger-operative means being mounted to rotate in a bearing on the carriage means, rotative operative connections between the finger-operative means and the negative holder to move the holder along the second guide means when the linger-operative means is rotated, and coacting means supported by the carriage and frame, respectively, for indicating, by clicking, the proper printing positions of the characters of the negative, said coacting means including a removable bar provided with clicking means spaced in accordance with the spacing of the characters of the particular negative to be used, whereby, when in use, the operator may, by the use of one hand on the ngeroperative means, bring any character orproperly spaced line of characters of the negative into proper printing position.

3. In a photographic lettering device having a source of light and an enlarging camera including a negative-holder carrying frame, guide means carried by the frame, a carriage means mounted to move along the guide means, a second guide means mounted on the carriage means and extending at substantially to the first guide means, a movable multiple-character negative holder on the second guide means, a single fingeroperative member for bodily moving the carriage along the first named guide means, the ngeroperative means being mounted to rotate in a bearing on the carriage means, an arm on the finger-operative means and a link having its ends connected to the arm and to the negative holder, respectively, to move the holder along the second guide means when the ringer-operative means is rotated, and coacting means` supported by the carriage and frame, respectively, for indicating, by clicking, the proper printing positions of the characters of the negative, whereby, when in use, the operator may, by the use of one hand on the finger-operative means, bring any character or a plurality of properly spaced lines of characters of the negative into proper printing position.

GEORGE A. LOI-IR.

REFERENCES CITED The following references are of record in the le of this patent:

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